Eaton EBR-3Z-2B0GA0-B Bus differential relay – Modbus RTU
Part Number: EBR-3Z-2B0GA0-B
Quick Summary
Eaton Bus differential relay protects feeders in industrial power systems with fast, accurate differential protection. This solution addresses costly downtime caused by undetected feeder faults and nuisance trips by combining precise sensing with flexible communications. Certification status should be confirmed with the manufacturer, with typical global requirements including CE marking and other regional approvals. The design supports Modbus RTU and DNP3.0 RTU, enabling seamless integration with existing SCADA and automation architectures. By pairing robust protection with ease of installation, it delivers clear business value through improved reliability, coordinated protection, and streamlined maintenance for feeders and substations.
Product Information
Extended Description
EBR-3Z-2B0GA0-B Eaton: Eaton, Bus differential relay, EBR-3000, 40-250 Vac, 19-300 Vdc, Bus relay, Modbus RTU + DNP3.0 RTU (RS485 / D-SUB interface), 40-250 Vac, 19-300 Vdc, 8, 6,Feeder 19-300Vdc
Product Name
Eaton Bus differential relay
Catalog Number
EBR-3Z-2B0GA0-B
UPC
786679194911
Product Length/Depth
7.49 in
Product Height
8.62 in
Product Width
13.64 in
Product Weight
12.7 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Compliances
Contact Manufacturer
Application
Feeder
Type
Bus differential relay
Product Category
Bus relay
Analog inputs
0
Analog outputs
0
Base relay
EBR-3000
Burden
10 W / 17 VA
Conformal coating
None
Communication
Modbus RTU + DNP3.0 RTU (RS485 / D-SUB interface)
Current sensing inputs
1
Digital inputs
8
Digital outputs
6
Zone selective interlocking
0
Number of inputs
8
Number of outputs
6
Power supply range
19-300Vdc, 40-250Vac
Power consumption
40-250 Vac, 19-300 Vdc
Power supply
40-250 Vac, 19-300 Vdc
Frequency rating
50/60 Hz
Mounting method
Standard
Terminals
Removable
Contact Rating
5 A ac / dc
Operating temperature
-20° to 60°C
Voltage sensing inputs
0
Feature: Wide power supply range 19-300 Vdc / 40-250 Vac; Benefit: Supports dual-source or varied-site installations without additional power conditioning, reducing spare parts and simplifying stocking; Application: Feeder protection in mixed-voltage environments where supply may vary between DC and AC sources. Feature: 8 digital inputs and 6 digital outputs plus 1 current sensing input; Benefit: Expands monitoring and control capability, enabling complex interlocking and status indication to reduce manual intervention; Application: Complex feeder configurations requiring zone interlocking and remote signaling. Feature: Modbus RTU + DNP3.0 RTU (RS485 / D-SUB interface); Benefit: Enables robust, interoperable communication with SCADA for remote monitoring, supervision, and fast fault analysis; Application: Substation-wide protection schemes and distributed automation. Feature: Removable terminals and standard mounting; Benefit: Easier field wiring, faster commissioning, and simpler maintenance with reduced labor costs; Application: New installations and retrofit projects in control cabinets and switchgear. Feature: 50/60 Hz operation, -20°C to 60°C ambient range; Benefit: Reliable operation across broad industrial environments, minimizing the risk of nuisance trips due to temperature or frequency variation; Application: Protection relays in harsh plant floors or outdoor enclosures. Feature: 5 A ac/dc contact rating and 10 W / 17 VA burden; Benefit: Predictable load handling and efficient electrical integration, reducing thermal stress and power loss in the control circuit; Application: Feeder protection with dependable signaling for remote actuators.
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FAQs
Install on standard mounting footprints with removable terminals to simplify wiring. Ensure a clean cabinet environment and verify the 7.49 in x 8.62 in x 13.64 in footprint fits the enclosure. Use shielded RS485 cables for Modbus RTU + DNP3 and observe proper grounding to minimize noise on the 0 to 60 C range.
The unit supports Modbus RTU and DNP3.0 RTU over RS485 or D-SUB interfaces. Configuration is typically performed via the device interface or compatible engineering software, aligning slave addresses, baud rate, parity, and device IDs to your SCADA system for reliable remote monitoring.
Power supply range is 19-300 Vdc or 40-250 Vac at 50/60 Hz. It provides 8 digital inputs, 6 digital outputs, and 1 current-sensing input, with 5 A contact rating and a burden of 10 W / 17 VA. The device operates from -20°C to 60°C and features removable terminals for easy wiring.
Compliances are specified as Manufacturer contact for confirmation. The product is designed for feeder protection in industrial power systems and is compatible with the EBR-3000 base relay family, enabling scalable protection schemes and straightforward integration with Eaton’s protection ecosystem.
By reducing fault detection time, minimizing nuisance trips, and enabling remote SCADA monitoring, the EBR-3Z-2B0GA0-B lowers downtime costs and simplifies maintenance. Its modular inputs/outputs and standard mounting streamline installation, shortening project timelines and improving overall protection coordination for feeders.